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Finding the Fourth Proportional to 632.99, 949.57 and 222.02

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Solution

The fourth proportional to 632.99, 949.57 and 222.02 is: 333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.99 : 949.57 = 222.02 : x
  2. Step 2: Convert to fraction form
    632.99/949.57 = 222.02/x
  3. Step 3: Cross multiply
    632.99x = 949.57 × 222.02
  4. Step 4: Simplify right side
    632.99x = 210,822.42
  5. Step 5: Solve for x
    x = 210,822.42/632.99
  6. Step 6: Final answer
    x = 333.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.